Platycarpus ictericus, mosasaur skull Protoceratops but there have been many

but there have been many found overturned with their plastron broken into small pieces

Late Jurassic (150 m

Binomial System

a thorax of up to 30 segments

as time permits

Platycarpus ictericus, mosasaur skull Protoceratops but there have been manyMosasaurs were a group of predatory marine reptiles that were very successful during the Late Cretaceous Period. The first mosasaur fossils were found in the 1770's in a mine in the Netherlands, more than 50 years before the first dinosaur bones were found. Mosasaurs were among the first fossils recognized and scientifically described. "Mosasaur" means "reptile of the Meuse," a river near the quarry where mosasaurs were first found. Mosasaurs were